package com.whpu.mall.product.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.whpu.common.utils.PageUtils;
import com.whpu.common.utils.Query;
import com.whpu.mall.product.dao.SkuInfoDao;
import com.whpu.mall.product.entity.SkuInfoEntity;
import com.whpu.mall.product.service.SkuInfoService;
import org.apache.commons.lang.StringUtils;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;


@Service("skuInfoService")
public class SkuInfoServiceImpl extends ServiceImpl<SkuInfoDao, SkuInfoEntity> implements SkuInfoService {

    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                new QueryWrapper<SkuInfoEntity>()
        );

        return new PageUtils(page);
    }

    /**
     * sku的基本信息
     * @param skuInfoEntity
     */
    @Override
    public void saveSkuInfo(SkuInfoEntity skuInfoEntity) {
        this.save(skuInfoEntity);
    }

    /**
     * 条件查找SKU
     * @param params
     * @return
     */
    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {

        QueryWrapper<SkuInfoEntity> wrapper = new QueryWrapper<>();

        /**
         * key:
         * catelogId: 0
         * brandId: 0
         * min: 0
         * max: 0
         */
        //搜索关键词
        String key = (String) params.get("key");
        if (StringUtils.isNotEmpty(key)) {
            wrapper.and(w -> {
                w.eq("sku_id", key).or().like("sku_name", key).or().like("sku_title",key);
            });
        }
        //品牌
        String brandId = (String) params.get("brandId");
        if (StringUtils.isNotEmpty(brandId) && !"0".equalsIgnoreCase(brandId)) {
            wrapper.eq("brand_id", brandId);
        }
        //分类
        String catelogId = (String) params.get("catelogId");
        if (StringUtils.isNotEmpty(catelogId) && !"0".equalsIgnoreCase(catelogId)) {
            wrapper.eq("catalog_id", catelogId);
        }
        //价格区间
        String min = (String) params.get("min");
        if (StringUtils.isNotEmpty(min)) {
            wrapper.ge("price",min);
        }
        String max = (String) params.get("max");
        if (StringUtils.isNotEmpty(max)) {
            BigDecimal maxDecimal = new BigDecimal(max);
            if (maxDecimal.compareTo(new BigDecimal("0")) == 1){
                wrapper.le("price",max);
            }
        }

        IPage<SkuInfoEntity> page = this.page(
                new Query<SkuInfoEntity>().getPage(params),
                wrapper
        );

        return new PageUtils(page);
    }

    @Override
    public List<SkuInfoEntity> getSkuBySpuId(Long spuId) {

        LambdaQueryWrapper<SkuInfoEntity> wrapper = new LambdaQueryWrapper<>();
        return this.list(wrapper.eq(SkuInfoEntity::getSpuId, spuId));
    }

}
